Text Elements Must Have Sufficient Color Contrast
- December 7, 2025
- Accessibility, Color and Contrast
Quick Reference
Element Code: AC-004
Issue: Text color doesn't have enough contrast against background
Impact: Hard to read for users with visual impairments, WCAG failure
Fix: Adjust colors to meet minimum contrast ratios
Detection: axe DevTools, WAVE, Lighthouse, contrast checker tools
What Is This Issue?
Insufficient color contrast makes text difficult or impossible to read for users with visual impairments, color blindness, or in challenging lighting conditions. WCAG sets minimum contrast ratios that must be met for accessibility compliance.
WCAG Requirements
| Text Type | AA (Minimum) | AAA (Enhanced) |
|---|---|---|
| Normal Text | 4.5:1 | 7:1 |
| Large Text (18pt+ or 14pt+ bold) | 3:1 | 4.5:1 |
How to Fix This Issue
- Test Current Contrast: Use WebAIM Contrast Checker or similar tool
- Adjust Colors: Darken text or lighten background (or vice versa)
- Maintain Brand: Work with design to find compliant alternatives
- Test Again: Verify new colors meet requirements
Tools for Checking Contrast
- WebAIM Contrast Checker
- Chrome DevTools (inspect element shows contrast ratio)
- axe DevTools browser extension
- Colour Contrast Analyser (desktop app)
TL;DR (The Simple Version)
Your text colors don't have enough contrast against the background. This makes it hard to read for many people. Use a contrast checker tool and adjust colors until you meet at least 4.5:1 contrast ratio for normal text.
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